Finding the Fourth Proportional to 18,005,998.75, 24,848,279.49 and 9,857,236.75
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Solution
The fourth proportional to 18,005,998.75, 24,848,279.49 and 9,857,236.75 is: 13,602,987.38
Step by Step Solution
- Step 1: Write the proportion equation
18,005,998.75 : 24,848,279.49 = 9,857,236.75 : x - Step 2: Convert to fraction form
18,005,998.75/24,848,279.49 = 9,857,236.75/x - Step 3: Cross multiply
18,005,998.75x = 24,848,279.49 × 9,857,236.75 - Step 4: Simplify right side
18,005,998.75x = 244,935,373,763,099.25 - Step 5: Solve for x
x = 244,935,373,763,099.25/18,005,998.75 - Step 6: Final answer
x = 13,602,987.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.